About GSD Performance in Castle Hill, NSW
We Built our Gym
Around You
GSD Performance is our dream, built with you in mind. Our coaches are highly skilled professionals with top-tier communication skills and elite programming. Each coach brings a unique energy and skillset, but they all create a warm, welcoming atmosphere for beginners and experienced athletes alike.
This is Our Team
We are a group of committed full-time professional coaches, here to help you take your fitness and health to the next level. Through intelligent programming, encouraging instruction, and real-talk accountability, our coaches guide you from where you are to where you want to go.
Certifications
Founder’s Story
Growing up, I was the skinny kid, happy to just fit in, and not stand out at anything. Played lots of sports at an average level, never really wanted the ball to come to me in case I stuffed up, and used to hate any form of attention in a group situation.
Fast forward a few years, one of my favourite places to be is out in front of a large group of clients, teaching them how to move better and motivating them to push themselves. I started training in gyms in my mid teens, determined to make myself stronger, and put some muscle on my skinny frame.
My passion for health and fitness has evolved over the years, as I realised more and more that fitness is not just about what you do in the gym. After a bit of a mental and physical breakdown in my late twenties from pushing too hard to get ahead in my corporate career, I realised I needed to get balance back in my life.
This was a pivotal point for me, I prioritised my well being, constantly working on my mindset and how I reacted to stress, kept physically active consistently and focused on fuelling my body better. From that point forward my peers would constantly comment on my relaxed nature at all times.
I also worked much harder on developing people around me, not trying to do everything myself, but focus more on giving back. In 2016, I took my passion a step further and did my fitness qualifications online, just for interest’s sake. A pivotal seminar, and a part time coaching opportunity at my gym at the time (I was helping them with some business/finance/admin stuff on the side) and the rest is history.
Since that date, I have taken everything in, drawing on experiences in my 20 year corporate career through my coaching to relate to clients and come up with strategies to improve their lives. We start with mindset, understand where you’re at and what steps we can take to get you on the path to your goals, we work on improving your movement, teach you some new skills and ensure you enjoy your training, we also educate you on how to nourish your body with nutrition and recovery.
I got into this with a goal of helping people however I could, and look forward to helping you GSD!!
Our Coaches
Aimee Morsillo
Certifications
With 15 years of experience in the fitness industry, my journey started long before I became a trainer. I was a dancer from the age of 6, specialising in commercial dance. While I loved performing, it was until 22 that I discovered my true passion – fitness.
Once known as the “skinny dancer,” – I wanted to redefine myself – not just as someone who looked fit, but as someone who was strong, healthy and passionate about movement. Today, I dedicate my career to helping others achieve their fitness goals, building strong relationships with my clients, and working together as a team to create lasting results.
One of the most fulfilling parts of my job is training mums. The strength, resilience, and dedication they show – after bringing life into the world and working to rebuild their confidence and strength – continues to inspire me. Helping them feel strong and empowered again is what drives me every day.
Let’s work together to build a healthier, stronger version of you!
Certifications
I have recently completed both my certificate 3 & 4 in fitness and personal training and have been coaching here since late 2025.
I have been around the sporting and fitness industry/community for as long as I can remember, from playing sport to being around gyms/fitness.
I have played multiple sports at various levels my entire life. From grassroots, to representing BBSSSA and NSWCCC finishing 3rd in the state, to travelling overseas for tournaments/competitions and currently playing in the senior womens (under 23/first grade) team at Macarthur Bulls FC in the National Premier League.
My extensive involvement in sport helped spark my passion for fitness, but also gave me valuable experiences/skills that help me in the fitness industry.
Playing representative sport from a young age, I was introduced to strength and conditioning/fitness and gym work and it has been a large part of my life since. Providing me with extensive first-hand knowledge/experiences of fitness programs for athletes, helping spark my interest in the industry.
I like to train all individuals, however due to my background in sport, I like to train young aspiring athletes as I relate to the challenges and experiences they are facing.
Annabelle Gerard
Clean and Well-Maintained
Equipment is the Standard
At GSD Performance, we have a full range of strength training equipment, with premium barbells, Concept2 rowers & ski-ergs, with Rogue bikes. Premium Rogue and SMAI rigging and accessories. Dumbbells, kettlebells and other equipment to ensure you get a great range of stimulus to build strength, mobility and fitness.
Spacious Training Zones – Work from your own rig space every session. We bring the equipment to you to complete your custom workout from.
Quality Equipment – Premium barbells from Rogue, SMAI; cardio equipment from Concept2 & Rogue; big range of functional equipment to support strength, mobility & recovery.
Recovery Zone – On site infra red sauna & ice bath, along with recovery equipment – foam rollers, resistance bands & massage tools – ensuring you recover well.
A Facility Designed for
Performance & Community.
GSD Performance boasts a premium facility designed to help you get the most from your workout. Your own dedicated space with access to premium equipment to help you build strength, fitness, mobility and recover well. On site infra-red sauna and ice baths in our recovery zone, on site showers & changerooms.
Cold Plunge & Infrared Sauna – We offer both to help with recovery, reduce inflammation, and support better performance. They’re available to all members.
Modern Amenities – Shower facilities and changerooms on site.
Member Perks – You’ll have access to free Wi-Fi, break out space, and a welcoming community that keeps the energy high.
That’s Us.
Let’s Learn About You!
We’ve had a blast telling you a bit about ourselves. But this isn’t about us, it’s about you. Your journey, your goals, your results. So let’s get to know each other, set some life-changing but attainable goals, and welcome you to our supportive community.
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